PROBLEM TO BE SOLVED: To provide a technique capable of monitoring not only a dielectric resistance of a positive electrode side and a dielectric resistance of a negative electrode side but also a dielectric resistance among groups.SOLUTION: A monitoring apparatus for monitoring a reduction in a dielectric resistance of a battery isolated from a vehicle body, comprises: voltage detection means detecting a voltage for determining the reduction in the dielectric resistance; and determination means determining the reduction in the dielectric resistance on the basis of the detected voltage, the battery has a plurality of groups in each of which a plurality of cells is connected in series, and the determination means determines a reduction in a dielectric resistance of a positive electrode side of the battery, a reduction in a dielectric resistance of a negative electrode side of the battery, and a reduction in a dielectric resistance among the groups.SELECTED DRAWING: Figure 1
【課題】正極側の絶縁抵抗と負極側の絶縁抵抗の監視だけでなくグループ間の絶縁抵抗も監視することが可能な技術を提供する。【解決手段】車体と絶縁された電池の絶縁抵抗の低下を監視する監視装置であって、前記絶縁抵抗の低下を判定するための電圧を検出する電圧検出手段と、前記検出した電圧に基づいて絶縁抵抗の低下を判定する判定手段と、を備え、前記電池は、複数のセルが直列に接続されたグループを複数有しており、前記判定手段は、前記電池の正極側の絶縁抵抗の低下と、前記電池の負極側の絶縁抵抗の低下と、前記グループ間の絶縁抵抗の低下とを判定する。【選択図】図1
MONITORING APPARATUS AND BATTERY MONITORING SYSTEM
監視装置、及び電池監視システム
2016-07-25
Patent
Elektronische Ressource
Japanisch
IPC: | G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung |
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